Final answer:
The phrase 'Look at the fig tree and all the trees' was said by Jesus to his disciples in the Bible as part of a teaching about the signs of the end times.
Step-by-step explanation:
The phrase 'Look at the fig tree and all the trees' is found in the Bible in the Gospel of Luke, specifically Luke 21:29. It was said by Jesus to his disciples as part of a teaching about the signs of the end times. Jesus used the image of the fig tree and other trees to illustrate the importance of observing signs in order to discern what is coming.